English
fossildom
From fossil + -dom.
Formed from fossil + -dom
Proto-Indo-European *bʰedʰh₂- ‘to dig, burrow’
…
Proto-Italic *foðjō ‘to pierce’
Latin fodio ‘to dig up’
Latin fossilis ‘something which has been dug up’
French fossile
English fossil
Today it means
noun The realm or sphere of fossils.
Language periods are conventional ranges, not dates for this word.
Etymograph / fossildom